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Simplify accumulator refreshes

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Passed Non-Regression STC:
https://tests.stockfishchess.org/tests/view/6631f5d5d01fb9ac9bcdc7d0
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 57472 W: 14979 L: 14784 D: 27709
Ptnml(0-2): 185, 6486, 15192, 6695, 178

closes https://github.com/official-stockfish/Stockfish/pull/5207

No functional change
This commit is contained in:
cj5716 2024-05-01 15:54:17 +08:00 • committed by Disservin
parent f161261245
commit 61f12a4c38
1 changed files with 6 additions and 6 deletions
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12
src/nnue/nnue_feature_transformer.h
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@ -668,20 +668,20 @@ class FeatureTransformer {
for (IndexType k = 0; k < NumRegs; ++k)
acc[k] = entryTile[k];
int i0 = 0;
for (; i0 < int(std::min(removed.size(), added.size())); ++i0)
int i = 0;
for (; i < int(std::min(removed.size(), added.size())); ++i)
{
IndexType indexR = removed[i0];
IndexType indexR = removed[i];
const IndexType offsetR = HalfDimensions * indexR + j * TileHeight;
auto columnR = reinterpret_cast<const vec_t*>(&weights[offsetR]);
IndexType indexA = added[i0];
IndexType indexA = added[i];
const IndexType offsetA = HalfDimensions * indexA + j * TileHeight;
auto columnA = reinterpret_cast<const vec_t*>(&weights[offsetA]);
for (unsigned k = 0; k < NumRegs; ++k)
acc[k] = vec_add_16(vec_sub_16(acc[k], columnR[k]), columnA[k]);
}
for (int i = i0; i < int(removed.size()); ++i)
for (; i < int(removed.size()); ++i)
{
IndexType index = removed[i];
const IndexType offset = HalfDimensions * index + j * TileHeight;
@ -690,7 +690,7 @@ class FeatureTransformer {
for (unsigned k = 0; k < NumRegs; ++k)
acc[k] = vec_sub_16(acc[k], column[k]);
}
for (int i = i0; i < int(added.size()); ++i)
for (; i < int(added.size()); ++i)
{
IndexType index = added[i];
const IndexType offset = HalfDimensions * index + j * TileHeight;